Treating sleep apnea good for the heart
Treatment of the nighttime breathing disorder, obstructive sleep apnea, with continuous positive airway pressure (CPAP) seems to have a beneficial impact on early signs of atherosclerosis (hardening of the arteries), Brazilian researchers report.
Obstructive sleep apnea (OSA) occurs when the soft tissues at the back of the throat repeatedly collapse during sleep, temporarily cutting off breathing. It has been linked to heart attack and stroke, and both associations appear to be fueled through effects on atherosclerosis. Whether effective treatment of OSA would reduce the plaque burden, however, was unclear.
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